Innovative Lighting RGB Domed Bulkhead Light w/2 Wires - .156" Bullets [011-E592-7]RGB Domed Bulkhead Light with 2 Wires . 156" Bullets Equipped with red, green, and blue LEDs, the 011 E500 RGB LED light is capable of changing colors while using only two wires. By default, the light will illuminate white. Simply cycle the power and the color will change to red. Cycle it again and the color changes to green blue, yellow, cyan, magenta, and then back to white. Technical Specifications: Size 1"OD x 1. 3"L x 0. 7"ID Clear Polycarbonate